APA (7th ed.) Citation

Mengler Nils, Lüdtke Rainer, Witt Claudia M, & Willich Stefan N. (2008). How healthy are chronically ill patients after eight years of homeopathic treatment? - Results from a long term observational study. BMC.

Chicago Style (17th ed.) Citation

Mengler Nils, Lüdtke Rainer, Witt Claudia M, and Willich Stefan N. How Healthy Are Chronically Ill Patients After Eight Years of Homeopathic Treatment? - Results from a Long Term Observational Study. BMC, 2008.

MLA (9th ed.) Citation

Mengler Nils, et al. How Healthy Are Chronically Ill Patients After Eight Years of Homeopathic Treatment? - Results from a Long Term Observational Study. BMC, 2008.

Warning: These citations may not always be 100% accurate.